Fungicidal biphenyl esters, mixtures thereof and method of use

Abstract

A broad spectrum biphenyl ester fungicide having the formula ##STR1## wherein R is a radical having not more than 4 carbon atoms selected from the group consisting of alkenyl, haloalkenyl and haloalkyl; m has a value of from 0 to 2 and mixtures of the above diesters and the method of applying said diesters to plants for control of fungi infestation.

I claim: 
     
       1. The method of inhibiting growth of plant pathogenic fungi which comprises exposing said fungi to a growth inhibiting quantity of a compound having the formula ##STR15## wherein m has a value of from 0 to 2; halo is fluorine, chlorine or bromine and R is a radical having not more than 4 carbon atoms selected from the group consisting of alkenyl, haloalkenyl and haloalkyl; and mixtures of said compounds. 
     
     
       2. The method of claim 1 wherein said compound is applied to a plant in an amount sufficient to control fungus infestation. 
     
     
       3. The method of claim 2 wherein RCOO- of the compound is an acrylate radical. 
     
     
       4. The method of claim 2 wherein RCOO- of the compound is a methacrylate radical. 
     
     
       5. The method of claim 2 wherein R of the compound is a haloethyl group and halo is chlorine or bromine. 
     
     
       6. The method of claim 2 wherein the compound is employed with an aqueous carrier in a concentration of between about 30 and about 500 ppm. 
     
     
       7. The method of claim 6 wherein the fungus is plant rust. 
     
     
       8. The method of claim 6 wherein the fungus is anthracnose.